Quick answers
- Where does William D. Spencer see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Charles, MO and Creve Coeur, MO. Call before your visit to confirm the address.
- What is William D. Spencer's specialty?
- Medicare lists Qualified Speech Language Pathologist as the primary specialty.
- Does William D. Spencer accept Medicare assignment?
- Yes. Medicare's clinician data says William D. Spencer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William D. Spencer?
- (636) 242-1764, as listed in official Medicare / NPI Registry data.
- What is William D. Spencer's NPI number?
- 1104102896. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William D. Spencer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1800 1st Capitol Dr, Apt 1Saint Charles, MO 63301 (636) 242‑1764
- 450 N Lindbergh BlvdCreve Coeur, MO 63141 (314) 804‑6186
Group practices
Medicare enrollment lists William D. Spencer as a member of this group (CMS data updated 2026-10-02).
- Empowerme Rehabilitation Missouri LLC216 clinicians in the group
Specialties
Find other clinicians: Qualified Speech Language Pathologist, Missouri →
Other speech-language pathologists in Saint Charles
Clinicians with the same Medicare primary specialty in Saint Charles, MO — not a recommendation.
Clinician information
| Graduation year | 2011 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104102896 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians